The book gives an extensive list of Welsh Proverbs, ordered by subject. Facing pages give the Welsh original and an English translation.
There are numerous transcription errors (where the character recognition software has failed to deal with a character, particularly accented letters such as ô, ŵ, ŷ and some page numbers) so searching is rather hazardous.
The list is very large but not comprehensive: I failed to find a number of proverbs that were current in the 1950s, including:
Llwyth gwas diog
I'r pant y rhed y dŵr
A heuo esgyll na cherdded yn droednoeth
Gwyn y gwêl y fran ei chyw